how about using ?
https://opencollective.com/
c'est pas encore tout bon parce que:
Are donations tax-deductible? For the moment, only donations from Belgian donors are tax deductible. We are working to expand this option to most Western European countries.
mais en étant membre d'open-collectiv , on fait part d'un organisatio a but non-lucrativ.. typ?1901 en francais?